39952384 has 28 divisors (see below), whose sum is σ = 79916274. Its totient is φ = 19972096.

The previous prime is 39952379. The next prime is 39952387. The reversal of 39952384 is 48325993.

It can be written as a sum of positive squares in only one way, i.e., 36966400 + 2985984 = 6080^2 + 1728^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 39952384.

It is not an unprimeable number, because it can be changed into a prime (39952387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5754 + ... + 10630.

Almost surely, 2^39952384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39952384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39958137).

39952384 is an abundant number, since it is smaller than the sum of its proper divisors (39963890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39952384 is an frugal number, since it uses more digits than its factorization.

39952384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4903 (or 4879 counting only the distinct ones).

The product of its digits is 233280, while the sum is 43.

The square root of 39952384 is about 6320.7898240647. The cubic root of 39952384 is about 341.8594317613.

The spelling of 39952384 in words is "thirty-nine million, nine hundred fifty-two thousand, three hundred eighty-four".